package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class JDBCDemo10 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection();) {
            connection.setAutoCommit(false);

            String sql = "DELETE FROM user WHERE id=?;";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setInt(1, 2);
            int num = ps.executeUpdate();
            System.out.println(num > 0 ? "删除成功" : "删除失败");
            //connection.rollback();
            connection.commit();
        } catch (SQLException e) {
            e.printStackTrace();

        }

    }
}
